:root{--ink:#18212f;--muted:#64748b;--line:#dbe4ee;--bg:#f6f8fb;--card:#fff;--brand:#0f8b8d;--accent:#f25c54;--sun:#f7b801}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}main{max-width:1180px;margin:0 auto;padding:24px}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}textarea{min-height:110px}label{display:grid;gap:7px;color:var(--muted);font-weight:700;font-size:.9rem}fieldset{border:1px solid var(--line);border-radius:8px;margin:16px 0;padding:14px}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.brand{font-weight:900;font-size:1.1rem}.nav{display:flex;align-items:center;gap:14px}.nav form{margin:0}.nav button{border:0;background:transparent;cursor:pointer}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:var(--brand);color:#fff;font-weight:800;padding:12px 16px;cursor:pointer}.button.secondary{background:#e9f4f4;color:var(--brand)}.button.small{padding:8px 10px;font-size:.86rem}.button.full{width:100%}.flash{max-width:1180px;margin:14px auto 0;padding:12px 16px;border-radius:8px;background:#e9f4f4}.flash.error{background:#ffe8e6}.hero{max-width:none;min-height:calc(100vh - 64px);display:grid;grid-template-columns:1.3fr 420px;align-items:center;gap:32px;margin:-24px;padding:40px;background:linear-gradient(90deg,rgba(10,24,35,.68),rgba(10,24,35,.18)),url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&w=1800&q=85') center/cover;color:#fff}.hero h1{font-size:clamp(2.6rem,5vw,5.4rem);line-height:1;margin:8px 0 14px}.hero p{font-size:1.15rem;max-width:620px}.eyebrow{text-transform:uppercase;letter-spacing:0;font-weight:900;color:var(--sun)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.login-panel,.auth-box,.panel,.card{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 45px rgba(15,23,42,.08)}.login-panel,.auth-box,.panel{padding:24px}.auth-box{max-width:460px;margin:50px auto;display:grid;gap:16px}.auth-box form,.login-panel{display:grid;gap:16px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0 24px}.page-head h1,.form-page h1{font-size:2rem;margin:0}.grid{display:grid;gap:18px}.cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.trip-card{overflow:hidden}.cover{height:180px;background:center/cover}.card-body{padding:18px;display:grid;gap:10px}.status{display:inline-flex;width:max-content;background:#fff3d1;color:#6b4c00;border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:900}.meta{display:grid;gap:5px;color:var(--muted);font-size:.92rem}.form-page{max-width:900px;margin:20px auto}.form-page form{display:grid;gap:16px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.trip-hero{min-height:360px;margin:-24px -24px 24px;padding:36px;display:flex;align-items:end;background:center/cover;border-radius:0 0 16px 16px;color:#fff;position:relative;overflow:hidden}.trip-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,24,35,.72),rgba(10,24,35,.08))}.trip-hero>div{position:relative}.trip-hero h1{font-size:clamp(2rem,5vw,4rem);margin:10px 0}.stats,.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}.stats article,.module{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}.stats strong{display:block;font-size:1.4rem}.stats span,.row span,.empty{color:var(--muted)}.module{font-weight:900}.split{display:grid;grid-template-columns:360px 1fr;gap:20px}.list{display:grid;gap:12px}.row{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.bar{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:10px}.check{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:8px;color:var(--ink);font-weight:600}.check input{width:auto}.map{height:70vh;border-radius:8px;border:1px solid var(--line);overflow:hidden;background:#dbe4ee}
@media (max-width:760px){main{padding:16px}.hero{grid-template-columns:1fr;margin:-16px;padding:24px;align-items:end}.login-panel{margin-top:20px}.split{grid-template-columns:1fr}.page-head{align-items:flex-start;flex-direction:column}.topbar{padding:12px 16px}.nav{gap:10px}.row{align-items:flex-start;flex-direction:column}.trip-hero{margin:-16px -16px 18px;padding:24px}}

.button.danger{background:var(--accent);color:#fff}
.actions-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-actions form{margin:0}
.account-split{grid-template-columns:1fr 1fr}
.avatar-preview{width:96px;height:96px;object-fit:cover;border-radius:50%;border:3px solid #e9f4f4}
.map-picker-panel{display:grid;gap:14px}
.map-picker-panel h2{margin:0;font-size:1.15rem}
.picker-map{height:320px}
.map-actions{display:flex;gap:10px;flex-wrap:wrap}
.color-pin{display:block;width:100%;height:100%;border-radius:50%;background:var(--pin-color);border:3px solid #fff;box-shadow:0 7px 18px rgba(15,23,42,.28)}
.color-pin.expense{border-radius:8px;transform:rotate(45deg)}
.color-pin.expense:after{content:"";display:block;width:40%;height:40%;margin:30%;border-radius:50%;background:#fff}
@media (max-width:760px){.actions-row,.account-split{grid-template-columns:1fr}.nav{flex-wrap:wrap}}